65 lines
1.4 KiB
Dart
65 lines
1.4 KiB
Dart
import 'dart:html';
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typedef void gridIterator(int x, int y);
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class Game {
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List<List<Color>> grid;
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CanvasElement canvas;
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CanvasRenderingContext2D ctx;
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double _oscill = 0.0;
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bool _fwd = true;
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Game(CanvasElement this.canvas) {
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grid = buildGrid(5,5, new Color(255, 100, 255));
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ctx = this.canvas.getContext('2d');
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}
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void update([num dt]) {}
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void draw([num interp]) {
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int brickW = (canvas.width ~/ grid[0].length);
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int brickH = (canvas.height ~/ grid.length);
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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grid_foreach((x, y) {
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Color col = grid[y][x];
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ctx.setFillColorRgb(col.r+_oscill, col.g+_oscill, col.b+_oscill);
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ctx.fillRect(x*brickW, y*brickH, brickW, brickH);
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});
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}
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Color _oscillate(Color) {}
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void grid_foreach(gridIterator fun) {
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for (int y = 0; y < grid.length; y++) {
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for (int x = 0; x < grid[y].length; x++) {
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fun(x, y);
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}
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}
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}
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List<List<Color>> buildGrid(int w, int h, Color col) {
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List<List<Color>> grid = new List(h);
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for (int y = 0; y < h; y++) {
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grid[y] = new List(w);
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for (int x = 0; x < w; x++) {
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grid[y][x] = col;
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}
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}
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return grid;
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}
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}
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class Color {
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final int r;
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final int g;
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final int b;
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const Color(this.r, this.g, this.b);
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}
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// Create 2d array
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// fill with random colors
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// cycle colors
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// set one color to random new one
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